32) Principle of Electromagnetic induction was invented by the scientist _______.
A. Ohm. B. Michael Faraday C. Joule. D. Newton
33) In the power plant based on nuclear energy _______ is used to rotate the
generator.
A. Steam turbine. B.air turbine C.water turbine D.none of these.
34) When a neutron is bombarded on an atom of uranium _______ neutrons
generated in this process.
A. 1. B. 2. C. 3. D. 4.
35) Kinetic energy in flowing water drives _________ to generate electricity.
A. watermill. B. windmill C. turbines. D. generator.
36) Wind turbines with capacity are commercially available.
A. 1 KW to 7 MW. B. 1 KW to 7 KW C. 1 KW to 7000 W D. 1 W to 7 MW
37) Solar photovoltaic cells convert the solar radiation energy directly into _____
energy.
A. electrical B. potential C. kinetic. D. heat.
38) A silicon solar cell of dimension 1 sq.cm. generates current of about ______.
A. 50 mA B. 30 mA C. 50 A D. 30 A
39) A silicon solar cell of dimension 1 sq.cm. generates ______ potential
difference .
A. 0.1 V. B.0.5 V. C. 0.1 mV. D. 0.5 mV.
40) In nuclear power plants, neutrons are bombarded on atoms of ______.
A. uranium-236. B. barium C. krypton. D. premium-235.
41)My body is soft and slimy,hence I am referred as ______ .
A. mollusca B. echinodermata C. annelida D. arthropoda
42) Which of the following is a hermaphrodite animal?
A. doliolum B. scorpion C. centipede D. cockroach
43) Which of the following animals can regenerate it's broken body parts ?
A. Frog B. Starfish C. Sparrow D. Pigeon
44) Which of the following is a warm blooded (homeothers) animal?
A. Bat B. Tortoise C. Wall lizard D. Crocodile
45) My body is _______ shaped to minimize water resistance.
A. pointed B. spindle C. cartilaginous D. flat
46) _______ animal is called a friend of farmers.
A. Rabbit B. Cat C. Leech D. Earthworm
47) Which of the following animals has a hard calcareous shell?
Answers
Answer:
ANSWERS
32) Principal of electromagnetic induction was invented by the scientist Michael Faraday.
33) In the power plant based on nuclear energy Steam turbine is used to rotate the generator.
34) When a neutron is bombarded on an atom of uranium 3 neutrons generate in this process.
35) Kinetic energy in flowing water drives turbines to generate electricity.
36)Wind turbines with capacity are commercially available 1KW to 7MW.
37)Solar photovoltaic cells convert the solar radiation energy directly into electrical energy.
38)A silicon solar cell of dimension 1 sq.cm generates current of about 30mA.
39)A silicon solar cell of dimension 1 sq.cm generates 0.5V potential difference.
40)In nuclear power plants neutrons are bombarded on atoms of Uranium - 236.
41)My body is soft and slimy, hence I am referred as mollusca.
42)Which of the following is hermaphrodite animal? ~ cockroach .
43)Which of the following animal can regenerate it's broken body parts? ~ starfish.
44)Which of the following is warm blooded animals? ~ Bat.
45)My body is spindle shape to minimize water resistance.
46) Earthworm are called a friend of farmer.
47)Which of the following animal has a hard calcareous she'll? ~ Bivalve.
Hope it's helpful for you..
Explanation:
the principal of electromagnetic induction was invited by